[dolphin] [Bug 433611] New: Dolphin freezes forever if there is an unavailable network mount in /etc/fstab

[Jens]

https://bugs.kde.org/show_bug.cgi?id=433611

            Bug ID: 433611
           Summary: Dolphin freezes forever if there is an unavailable
                    network mount in /etc/fstab
           Product: dolphin
           Version: 20.12.2
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: dolphin-bugs-null at kde.org
          Reporter: jens-bugs.kde.org at spamfreemail.de
                CC: kfm-devel at kde.org
  Target Milestone: ---

SUMMARY
see $SUBJECT

STEPS TO REPRODUCE
1. create (e.g.) SMB mount in /etc/fstab, user mountable, mount it
2. start dolphin, but do not (necessarily) access this share
3. kill connection to server via pulling the cable from the *server* (so that
the PC still has a link, but it doesn't go anywhere)

OBSERVED RESULT
Dolphin freezes after a few clicks, does not recover, has to be killed. Newly
started Dolphin process also freezes quickly.

EXPECTED RESULT
Dolphin should put all accesses to non-local mount points in a separate thread
which can timeout after some time and do not block the main application. If
shares become unavailable (due to I/O errors, network stalling, or whatever)
the shares should be set "offline" until explicitly clicked on again.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 20.10 with all updates applied.

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